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First U.S. helicopter is shot down in Vietnam.

APA Style

First U.S. helicopter is shot down in Vietnam.. (2015). The History Channel website. Retrieved 6:38, August 2, 2015, from http://www.history.com/this-day-in-history/first-us-helicopter-is-shot-down-in-vietnam.

Harvard Style

First U.S. helicopter is shot down in Vietnam.. [Internet]. 2015. The History Channel website. Available from: http://www.history.com/this-day-in-history/first-us-helicopter-is-shot-down-in-vietnam [Accessed 2 Aug 2015].

MLA Style

“First U.S. helicopter is shot down in Vietnam..” 2015. The History Channel website. Aug 2 2015, 6:38 http://www.history.com/this-day-in-history/first-us-helicopter-is-shot-down-in-vietnam.

MHRA Style

“First U.S. helicopter is shot down in Vietnam.,” The History Channel website, 2015, http://www.history.com/this-day-in-history/first-us-helicopter-is-shot-down-in-vietnam [accessed Aug 2, 2015].

Chicago Style

“First U.S. helicopter is shot down in Vietnam.,” The History Channel website, http://www.history.com/this-day-in-history/first-us-helicopter-is-shot-down-in-vietnam (accessed Aug 2, 2015).

CBE/CSE Style

First U.S. helicopter is shot down in Vietnam. [Internet]. The History Channel website; 2015 [cited 2015 Aug 2] Available from: http://www.history.com/this-day-in-history/first-us-helicopter-is-shot-down-in-vietnam.

Bluebook Style

First U.S. helicopter is shot down in Vietnam., http://www.history.com/this-day-in-history/first-us-helicopter-is-shot-down-in-vietnam (last visited Aug 2, 2015).

AMA Style

First U.S. helicopter is shot down in Vietnam.. The History Channel website. 2015. Available at: http://www.history.com/this-day-in-history/first-us-helicopter-is-shot-down-in-vietnam. Accessed Aug 2, 2015.